/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=SHALLOWEST --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_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 22:29:30,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 22:29:30,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 22:29:30,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 22:29:30,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 22:29:30,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 22:29:30,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 22:29:30,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 22:29:30,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 22:29:30,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 22:29:30,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 22:29:30,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 22:29:30,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 22:29:30,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 22:29:30,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 22:29:30,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 22:29:30,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 22:29:30,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 22:29:30,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 22:29:30,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 22:29:30,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 22:29:30,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 22:29:30,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 22:29:30,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 22:29:30,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 22:29:30,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 22:29:30,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 22:29:30,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 22:29:30,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 22:29:30,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 22:29:30,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 22:29:30,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 22:29:30,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 22:29:30,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 22:29:30,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 22:29:30,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 22:29:30,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 22:29:30,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 22:29:30,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 22:29:30,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 22:29:30,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 22:29:30,250 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 [2020-10-26 22:29:30,298 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 22:29:30,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 22:29:30,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 22:29:30,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 22:29:30,303 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 22:29:30,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 22:29:30,304 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 22:29:30,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 22:29:30,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 22:29:30,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 22:29:30,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 22:29:30,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 22:29:30,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 22:29:30,306 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 22:29:30,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 22:29:30,307 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 22:29:30,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 22:29:30,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 22:29:30,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 22:29:30,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 22:29:30,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 22:29:30,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 22:29:30,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 22:29:30,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 22:29:30,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 22:29:30,309 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 22:29:30,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 22:29:30,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 22:29:30,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 22:29:30,310 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 22:29:30,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 22:29:30,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 22:29:30,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 22:29:30,731 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 22:29:30,732 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 22:29:30,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label03.c [2020-10-26 22:29:30,809 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95e1bccd5/4b5d85e036214b8a95acfa7d961c6705/FLAG2a6c6e8c8 [2020-10-26 22:29:31,493 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 22:29:31,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label03.c [2020-10-26 22:29:31,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95e1bccd5/4b5d85e036214b8a95acfa7d961c6705/FLAG2a6c6e8c8 [2020-10-26 22:29:31,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95e1bccd5/4b5d85e036214b8a95acfa7d961c6705 [2020-10-26 22:29:31,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 22:29:31,760 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 22:29:31,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 22:29:31,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 22:29:31,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 22:29:31,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:29:31" (1/1) ... [2020-10-26 22:29:31,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799b3595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:31, skipping insertion in model container [2020-10-26 22:29:31,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:29:31" (1/1) ... [2020-10-26 22:29:31,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 22:29:31,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 22:29:32,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:29:32,330 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 22:29:32,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:29:32,535 INFO L208 MainTranslator]: Completed translation [2020-10-26 22:29:32,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:32 WrapperNode [2020-10-26 22:29:32,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 22:29:32,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 22:29:32,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 22:29:32,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 22:29:32,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:32" (1/1) ... [2020-10-26 22:29:32,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:32" (1/1) ... [2020-10-26 22:29:32,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:32" (1/1) ... [2020-10-26 22:29:32,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:32" (1/1) ... [2020-10-26 22:29:32,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:32" (1/1) ... [2020-10-26 22:29:32,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:32" (1/1) ... [2020-10-26 22:29:32,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:32" (1/1) ... [2020-10-26 22:29:32,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 22:29:32,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 22:29:32,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 22:29:32,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 22:29:32,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:32" (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 [2020-10-26 22:29:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 22:29:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 22:29:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 22:29:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 22:29:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 22:29:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 22:29:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 22:29:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 22:29:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 22:29:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 22:29:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 22:29:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 22:29:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 22:29:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 22:29:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 22:29:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 22:29:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 22:29:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 22:29:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 22:29:34,390 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 22:29:34,391 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 22:29:34,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:29:34 BoogieIcfgContainer [2020-10-26 22:29:34,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 22:29:34,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 22:29:34,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 22:29:34,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 22:29:34,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:29:31" (1/3) ... [2020-10-26 22:29:34,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81dc6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:29:34, skipping insertion in model container [2020-10-26 22:29:34,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:29:32" (2/3) ... [2020-10-26 22:29:34,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81dc6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:29:34, skipping insertion in model container [2020-10-26 22:29:34,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:29:34" (3/3) ... [2020-10-26 22:29:34,403 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label03.c [2020-10-26 22:29:34,417 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 22:29:34,423 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 22:29:34,437 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 22:29:34,469 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 22:29:34,470 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 22:29:34,470 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 22:29:34,470 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 22:29:34,470 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 22:29:34,471 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 22:29:34,471 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 22:29:34,471 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 22:29:34,496 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-26 22:29:34,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-26 22:29:34,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:29:34,505 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] [2020-10-26 22:29:34,506 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:29:34,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:29:34,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1031714486, now seen corresponding path program 1 times [2020-10-26 22:29:34,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:29:34,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1161281924] [2020-10-26 22:29:34,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:29:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:29:34,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:35,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:29:35,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-26 22:29:35,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:29:35,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 571 [2020-10-26 22:29:35,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:29:35,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:29:35,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:29:35,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-26 22:29:35,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:29:35,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:29:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:29:35,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:35,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:29:35,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:29:35,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:29:35,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-26 22:29:35,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:29:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:29:35,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:29:35,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:29:35,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:29:35,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:29:35,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1161281924] [2020-10-26 22:29:35,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:29:35,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 22:29:35,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942167404] [2020-10-26 22:29:35,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 22:29:35,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:29:35,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 22:29:35,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 22:29:35,699 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-26 22:29:37,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:29:37,816 INFO L93 Difference]: Finished difference Result 601 states and 1028 transitions. [2020-10-26 22:29:37,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:29:37,819 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2020-10-26 22:29:37,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:29:37,839 INFO L225 Difference]: With dead ends: 601 [2020-10-26 22:29:37,839 INFO L226 Difference]: Without dead ends: 303 [2020-10-26 22:29:37,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:29:37,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-26 22:29:37,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2020-10-26 22:29:37,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-26 22:29:37,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 449 transitions. [2020-10-26 22:29:37,971 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 449 transitions. Word has length 43 [2020-10-26 22:29:37,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:29:37,972 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 449 transitions. [2020-10-26 22:29:37,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 22:29:37,972 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 449 transitions. [2020-10-26 22:29:37,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-26 22:29:37,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:29:37,979 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:29:37,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 22:29:37,980 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:29:37,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:29:37,981 INFO L82 PathProgramCache]: Analyzing trace with hash -457003641, now seen corresponding path program 1 times [2020-10-26 22:29:37,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:29:37,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1812515524] [2020-10-26 22:29:37,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:29:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:29:38,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:38,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:39,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:29:39,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-26 22:29:39,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:29:39,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1103 [2020-10-26 22:29:39,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:29:39,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 22:29:39,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:29:39,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-26 22:29:39,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:29:39,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:29:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:29:39,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:39,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:29:39,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:29:39,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:29:39,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-26 22:29:39,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:29:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:29:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:29:39,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:29:39,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:29:39,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:29:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:29:39,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:39,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:39,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:29:39,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:29:39,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:29:39,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 186 [2020-10-26 22:29:39,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:29:39,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:29:39,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:29:39,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-26 22:29:39,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:29:39,678 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-26 22:29:39,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1812515524] [2020-10-26 22:29:39,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:29:39,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-26 22:29:39,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350616873] [2020-10-26 22:29:39,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:29:39,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:29:39,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:29:39,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:29:39,686 INFO L87 Difference]: Start difference. First operand 297 states and 449 transitions. Second operand 7 states. [2020-10-26 22:29:42,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:29:42,291 INFO L93 Difference]: Finished difference Result 753 states and 1188 transitions. [2020-10-26 22:29:42,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 22:29:42,292 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 113 [2020-10-26 22:29:42,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:29:42,304 INFO L225 Difference]: With dead ends: 753 [2020-10-26 22:29:42,305 INFO L226 Difference]: Without dead ends: 750 [2020-10-26 22:29:42,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-26 22:29:42,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2020-10-26 22:29:42,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 442. [2020-10-26 22:29:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-10-26 22:29:42,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 673 transitions. [2020-10-26 22:29:42,387 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 673 transitions. Word has length 113 [2020-10-26 22:29:42,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:29:42,388 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 673 transitions. [2020-10-26 22:29:42,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:29:42,388 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 673 transitions. [2020-10-26 22:29:42,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-26 22:29:42,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:29:42,402 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:29:42,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 22:29:42,403 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:29:42,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:29:42,404 INFO L82 PathProgramCache]: Analyzing trace with hash -442966923, now seen corresponding path program 1 times [2020-10-26 22:29:42,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:29:42,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2004868404] [2020-10-26 22:29:42,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:29:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:29:42,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:42,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:43,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:44,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:29:44,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-26 22:29:44,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:29:44,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2254 [2020-10-26 22:29:44,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:29:44,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:29:44,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:29:44,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-26 22:29:44,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:29:44,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:29:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:29:44,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:44,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:29:44,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:29:44,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:29:44,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-26 22:29:44,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:29:44,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:29:44,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:29:44,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:29:44,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:29:44,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:29:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:29:45,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:45,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:29:45,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-26 22:29:45,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:29:45,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-10-26 22:29:45,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:29:45,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:29:45,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:29:45,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-26 22:29:45,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:29:45,410 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:29:45,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2004868404] [2020-10-26 22:29:45,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:29:45,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 22:29:45,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852907588] [2020-10-26 22:29:45,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:29:45,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:29:45,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:29:45,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:29:45,414 INFO L87 Difference]: Start difference. First operand 442 states and 673 transitions. Second operand 7 states. [2020-10-26 22:29:47,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:29:47,474 INFO L93 Difference]: Finished difference Result 1341 states and 2096 transitions. [2020-10-26 22:29:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:29:47,475 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 162 [2020-10-26 22:29:47,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:29:47,489 INFO L225 Difference]: With dead ends: 1341 [2020-10-26 22:29:47,490 INFO L226 Difference]: Without dead ends: 905 [2020-10-26 22:29:47,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:29:47,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2020-10-26 22:29:47,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 593. [2020-10-26 22:29:47,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-10-26 22:29:47,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 855 transitions. [2020-10-26 22:29:47,588 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 855 transitions. Word has length 162 [2020-10-26 22:29:47,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:29:47,589 INFO L481 AbstractCegarLoop]: Abstraction has 593 states and 855 transitions. [2020-10-26 22:29:47,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:29:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 855 transitions. [2020-10-26 22:29:47,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-26 22:29:47,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:29:47,608 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:29:47,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 22:29:47,608 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:29:47,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:29:47,609 INFO L82 PathProgramCache]: Analyzing trace with hash -2057429096, now seen corresponding path program 1 times [2020-10-26 22:29:47,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:29:47,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468386692] [2020-10-26 22:29:47,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:29:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:29:47,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:47,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:48,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:50,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:29:50,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-26 22:29:50,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:29:50,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2313 [2020-10-26 22:29:50,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:29:50,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:29:50,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-26 22:29:50,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-26 22:29:50,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:29:50,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:29:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:29:50,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:50,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:29:50,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:29:50,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:29:50,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:29:50,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:29:50,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:29:50,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:29:50,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:29:50,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:29:50,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:29:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:29:50,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:50,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:29:50,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:29:50,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:29:50,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-26 22:29:50,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:29:50,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:29:50,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:29:50,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-26 22:29:50,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:29:50,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-26 22:29:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:29:50,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:50,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:29:50,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-26 22:29:50,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:29:50,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-26 22:29:50,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:29:50,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:29:50,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:29:50,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-26 22:29:50,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:29:50,613 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:29:50,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468386692] [2020-10-26 22:29:50,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:29:50,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:29:50,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100123273] [2020-10-26 22:29:50,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:29:50,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:29:50,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:29:50,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:29:50,616 INFO L87 Difference]: Start difference. First operand 593 states and 855 transitions. Second operand 7 states. [2020-10-26 22:29:52,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:29:52,890 INFO L93 Difference]: Finished difference Result 1502 states and 2239 transitions. [2020-10-26 22:29:52,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:29:52,892 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 232 [2020-10-26 22:29:52,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:29:52,902 INFO L225 Difference]: With dead ends: 1502 [2020-10-26 22:29:52,902 INFO L226 Difference]: Without dead ends: 915 [2020-10-26 22:29:52,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:29:52,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-10-26 22:29:52,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 744. [2020-10-26 22:29:52,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-26 22:29:52,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1028 transitions. [2020-10-26 22:29:52,950 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1028 transitions. Word has length 232 [2020-10-26 22:29:52,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:29:52,951 INFO L481 AbstractCegarLoop]: Abstraction has 744 states and 1028 transitions. [2020-10-26 22:29:52,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:29:52,952 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1028 transitions. [2020-10-26 22:29:52,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-26 22:29:52,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:29:52,957 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:29:52,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 22:29:52,958 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:29:52,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:29:52,958 INFO L82 PathProgramCache]: Analyzing trace with hash -396984962, now seen corresponding path program 1 times [2020-10-26 22:29:52,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:29:52,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144984536] [2020-10-26 22:29:52,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:29:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:29:53,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:53,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:53,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:56,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:58,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:29:58,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-26 22:29:58,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:29:58,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-26 22:29:58,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:29:58,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:29:58,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:29:58,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-26 22:29:58,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:29:58,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:29:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:29:58,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:58,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:29:58,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:29:58,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:29:58,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-26 22:29:58,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:29:58,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:29:58,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:29:58,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:29:58,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:29:58,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:29:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:29:58,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:58,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:29:58,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 22:29:58,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:29:58,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-10-26 22:29:58,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:29:58,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:29:58,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:29:58,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-26 22:29:58,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:29:58,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-26 22:29:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:29:58,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:29:58,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:29:58,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-26 22:29:58,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:29:58,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-26 22:29:58,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:29:58,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:29:58,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-26 22:29:58,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:29:58,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:29:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 70 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 22:29:58,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [144984536] [2020-10-26 22:29:58,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:29:58,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:29:58,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895374814] [2020-10-26 22:29:58,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:29:58,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:29:58,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:29:58,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:29:58,917 INFO L87 Difference]: Start difference. First operand 744 states and 1028 transitions. Second operand 7 states. [2020-10-26 22:30:00,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:00,841 INFO L93 Difference]: Finished difference Result 1647 states and 2270 transitions. [2020-10-26 22:30:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:30:00,841 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 239 [2020-10-26 22:30:00,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:00,847 INFO L225 Difference]: With dead ends: 1647 [2020-10-26 22:30:00,847 INFO L226 Difference]: Without dead ends: 909 [2020-10-26 22:30:00,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:30:00,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2020-10-26 22:30:00,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 748. [2020-10-26 22:30:00,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2020-10-26 22:30:00,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 962 transitions. [2020-10-26 22:30:00,887 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 962 transitions. Word has length 239 [2020-10-26 22:30:00,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:00,888 INFO L481 AbstractCegarLoop]: Abstraction has 748 states and 962 transitions. [2020-10-26 22:30:00,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:30:00,888 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 962 transitions. [2020-10-26 22:30:00,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-26 22:30:00,893 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:00,894 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:30:00,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 22:30:00,894 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:00,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:00,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1862607302, now seen corresponding path program 1 times [2020-10-26 22:30:00,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:00,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1117561579] [2020-10-26 22:30:00,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:00,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:01,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:01,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:02,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:03,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:03,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-26 22:30:03,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:30:03,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2223 [2020-10-26 22:30:03,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:03,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:03,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-26 22:30:03,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-26 22:30:03,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:03,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:03,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:03,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:03,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:03,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:03,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:30:03,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:03,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:03,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:03,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:03,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:03,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:30:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:03,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:03,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:03,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-26 22:30:03,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:03,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-26 22:30:03,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:03,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:03,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:03,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:30:03,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:03,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-26 22:30:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:03,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:03,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:03,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-26 22:30:03,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:03,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-26 22:30:03,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:03,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:03,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:30:03,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-26 22:30:03,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:30:03,918 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:30:03,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1117561579] [2020-10-26 22:30:03,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:30:03,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 22:30:03,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142373053] [2020-10-26 22:30:03,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 22:30:03,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:03,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 22:30:03,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:30:03,921 INFO L87 Difference]: Start difference. First operand 748 states and 962 transitions. Second operand 8 states. [2020-10-26 22:30:07,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:07,107 INFO L93 Difference]: Finished difference Result 2577 states and 3445 transitions. [2020-10-26 22:30:07,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:30:07,108 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 241 [2020-10-26 22:30:07,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:07,118 INFO L225 Difference]: With dead ends: 2577 [2020-10-26 22:30:07,118 INFO L226 Difference]: Without dead ends: 1229 [2020-10-26 22:30:07,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-10-26 22:30:07,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2020-10-26 22:30:07,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1193. [2020-10-26 22:30:07,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1193 states. [2020-10-26 22:30:07,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1351 transitions. [2020-10-26 22:30:07,170 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1351 transitions. Word has length 241 [2020-10-26 22:30:07,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:07,170 INFO L481 AbstractCegarLoop]: Abstraction has 1193 states and 1351 transitions. [2020-10-26 22:30:07,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 22:30:07,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1351 transitions. [2020-10-26 22:30:07,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-10-26 22:30:07,176 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:07,177 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, 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, 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] [2020-10-26 22:30:07,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 22:30:07,177 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:07,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:07,178 INFO L82 PathProgramCache]: Analyzing trace with hash 188507162, now seen corresponding path program 1 times [2020-10-26 22:30:07,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:07,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1527398999] [2020-10-26 22:30:07,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:07,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:07,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:07,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:08,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:12,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:12,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-26 22:30:12,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:30:12,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-26 22:30:12,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:12,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:30:12,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:30:12,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-26 22:30:12,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:30:12,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:12,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:12,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:12,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:12,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:12,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-26 22:30:12,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:12,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:12,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:12,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:30:12,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:30:12,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:30:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:12,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:12,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:12,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-26 22:30:12,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:12,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-26 22:30:12,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:12,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:12,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:30:12,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-26 22:30:12,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:30:12,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-26 22:30:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:12,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:12,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:12,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-26 22:30:12,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:12,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-26 22:30:12,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:12,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:12,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-26 22:30:12,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:12,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:30:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 70 proven. 90 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 22:30:12,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1527398999] [2020-10-26 22:30:12,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:30:12,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:30:12,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095505626] [2020-10-26 22:30:12,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:30:12,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:12,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:30:12,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:30:12,991 INFO L87 Difference]: Start difference. First operand 1193 states and 1351 transitions. Second operand 7 states. [2020-10-26 22:30:14,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:14,694 INFO L93 Difference]: Finished difference Result 2257 states and 2594 transitions. [2020-10-26 22:30:14,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:30:14,695 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 257 [2020-10-26 22:30:14,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:14,702 INFO L225 Difference]: With dead ends: 2257 [2020-10-26 22:30:14,702 INFO L226 Difference]: Without dead ends: 1213 [2020-10-26 22:30:14,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:30:14,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2020-10-26 22:30:14,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1191. [2020-10-26 22:30:14,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1191 states. [2020-10-26 22:30:14,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1301 transitions. [2020-10-26 22:30:14,756 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1301 transitions. Word has length 257 [2020-10-26 22:30:14,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:14,757 INFO L481 AbstractCegarLoop]: Abstraction has 1191 states and 1301 transitions. [2020-10-26 22:30:14,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:30:14,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1301 transitions. [2020-10-26 22:30:14,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-26 22:30:14,763 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:14,763 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, 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, 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] [2020-10-26 22:30:14,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 22:30:14,764 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:14,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:14,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1094022286, now seen corresponding path program 1 times [2020-10-26 22:30:14,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:14,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1049316446] [2020-10-26 22:30:14,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:14,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:15,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:15,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:16,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:16,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-10-26 22:30:16,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:30:16,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1441 [2020-10-26 22:30:16,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:16,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:16,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-26 22:30:16,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-26 22:30:16,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:16,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:16,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:16,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:16,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:16,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:16,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:30:16,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:16,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:16,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:16,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:16,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:16,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:30:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:16,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:16,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:16,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:30:16,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:16,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-26 22:30:16,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:16,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:16,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:16,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:30:16,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:16,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:30:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:16,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:16,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:16,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-26 22:30:16,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:16,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-26 22:30:16,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:16,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:16,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:30:16,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-26 22:30:16,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 182 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:30:17,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1049316446] [2020-10-26 22:30:17,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:30:17,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:30:17,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175182606] [2020-10-26 22:30:17,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:30:17,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:17,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:30:17,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:30:17,023 INFO L87 Difference]: Start difference. First operand 1191 states and 1301 transitions. Second operand 7 states. [2020-10-26 22:30:19,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:19,132 INFO L93 Difference]: Finished difference Result 2396 states and 2668 transitions. [2020-10-26 22:30:19,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:30:19,133 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 277 [2020-10-26 22:30:19,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:19,142 INFO L225 Difference]: With dead ends: 2396 [2020-10-26 22:30:19,143 INFO L226 Difference]: Without dead ends: 1354 [2020-10-26 22:30:19,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:30:19,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2020-10-26 22:30:19,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1338. [2020-10-26 22:30:19,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1338 states. [2020-10-26 22:30:19,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1457 transitions. [2020-10-26 22:30:19,199 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1457 transitions. Word has length 277 [2020-10-26 22:30:19,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:19,200 INFO L481 AbstractCegarLoop]: Abstraction has 1338 states and 1457 transitions. [2020-10-26 22:30:19,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:30:19,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1457 transitions. [2020-10-26 22:30:19,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-10-26 22:30:19,209 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:19,210 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:30:19,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 22:30:19,210 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:19,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:19,211 INFO L82 PathProgramCache]: Analyzing trace with hash -359843423, now seen corresponding path program 1 times [2020-10-26 22:30:19,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:19,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [487759611] [2020-10-26 22:30:19,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:19,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:19,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:20,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:21,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:23,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:23,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 370 [2020-10-26 22:30:23,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:30:23,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4270 [2020-10-26 22:30:23,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:23,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:23,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-26 22:30:23,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-26 22:30:23,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:23,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:23,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:23,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:23,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:23,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:23,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:30:23,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:23,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:23,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:23,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:23,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:23,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:30:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:23,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:23,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:23,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:30:23,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:23,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-26 22:30:23,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:30:23,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:23,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:30:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:23,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:24,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:24,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 22:30:24,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:24,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-26 22:30:24,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:24,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:24,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:30:24,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-26 22:30:24,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:24,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-26 22:30:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:24,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:24,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:24,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-26 22:30:24,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:24,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-26 22:30:24,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:24,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:24,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-26 22:30:24,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:24,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:24,423 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 183 proven. 76 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-26 22:30:24,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [487759611] [2020-10-26 22:30:24,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:30:24,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:30:24,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330367539] [2020-10-26 22:30:24,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:30:24,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:24,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:30:24,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:30:24,425 INFO L87 Difference]: Start difference. First operand 1338 states and 1457 transitions. Second operand 7 states. [2020-10-26 22:30:26,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:26,528 INFO L93 Difference]: Finished difference Result 2837 states and 3113 transitions. [2020-10-26 22:30:26,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:30:26,534 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 354 [2020-10-26 22:30:26,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:26,541 INFO L225 Difference]: With dead ends: 2837 [2020-10-26 22:30:26,542 INFO L226 Difference]: Without dead ends: 1648 [2020-10-26 22:30:26,546 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 [2020-10-26 22:30:26,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2020-10-26 22:30:26,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1638. [2020-10-26 22:30:26,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1638 states. [2020-10-26 22:30:26,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1638 states and 1773 transitions. [2020-10-26 22:30:26,596 INFO L78 Accepts]: Start accepts. Automaton has 1638 states and 1773 transitions. Word has length 354 [2020-10-26 22:30:26,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:26,597 INFO L481 AbstractCegarLoop]: Abstraction has 1638 states and 1773 transitions. [2020-10-26 22:30:26,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:30:26,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 1773 transitions. [2020-10-26 22:30:26,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-10-26 22:30:26,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:26,607 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-26 22:30:26,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 22:30:26,607 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:26,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:26,608 INFO L82 PathProgramCache]: Analyzing trace with hash -770835235, now seen corresponding path program 1 times [2020-10-26 22:30:26,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:26,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1812923560] [2020-10-26 22:30:26,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:26,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:27,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:27,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:27,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 384 [2020-10-26 22:30:27,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:30:27,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 891 [2020-10-26 22:30:27,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 339 [2020-10-26 22:30:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-26 22:30:27,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:27,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:27,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:27,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:27,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:27,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:27,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-26 22:30:27,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:27,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:27,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:27,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:27,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:27,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:30:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:27,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:27,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:27,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:30:27,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:27,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-26 22:30:27,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:27,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:27,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:27,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:27,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:27,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:30:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:27,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:27,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:27,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-26 22:30:27,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:27,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-26 22:30:27,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:27,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:27,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:27,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:27,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:27,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-26 22:30:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:27,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:28,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:28,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-26 22:30:28,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:28,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-26 22:30:28,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:28,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:28,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-26 22:30:28,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:28,184 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 108 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-26 22:30:28,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1812923560] [2020-10-26 22:30:28,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:30:28,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:30:28,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444449747] [2020-10-26 22:30:28,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:30:28,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:28,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:30:28,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:30:28,187 INFO L87 Difference]: Start difference. First operand 1638 states and 1773 transitions. Second operand 5 states. [2020-10-26 22:30:29,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:29,747 INFO L93 Difference]: Finished difference Result 3421 states and 3749 transitions. [2020-10-26 22:30:29,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:30:29,750 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 368 [2020-10-26 22:30:29,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:29,758 INFO L225 Difference]: With dead ends: 3421 [2020-10-26 22:30:29,759 INFO L226 Difference]: Without dead ends: 1787 [2020-10-26 22:30:29,763 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 [2020-10-26 22:30:29,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2020-10-26 22:30:29,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1783. [2020-10-26 22:30:29,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1783 states. [2020-10-26 22:30:29,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 1936 transitions. [2020-10-26 22:30:29,818 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 1936 transitions. Word has length 368 [2020-10-26 22:30:29,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:29,819 INFO L481 AbstractCegarLoop]: Abstraction has 1783 states and 1936 transitions. [2020-10-26 22:30:29,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:30:29,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 1936 transitions. [2020-10-26 22:30:29,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2020-10-26 22:30:29,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:29,825 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 22:30:29,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 22:30:29,826 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:29,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:29,826 INFO L82 PathProgramCache]: Analyzing trace with hash -696403013, now seen corresponding path program 1 times [2020-10-26 22:30:29,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:29,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1762315488] [2020-10-26 22:30:29,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:29,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:30,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:31,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:32,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:32,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 389 [2020-10-26 22:30:32,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:30:32,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2797 [2020-10-26 22:30:32,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:32,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:32,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-10-26 22:30:32,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-26 22:30:32,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:32,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:32,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:32,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:32,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:32,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:32,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:30:32,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:32,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:32,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:30:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:32,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:32,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:32,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-26 22:30:32,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:32,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-26 22:30:32,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:32,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:32,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:32,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:32,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:32,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-26 22:30:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:32,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:33,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:33,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 22:30:33,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:33,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-26 22:30:33,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:33,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:33,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:33,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-26 22:30:33,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:33,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-26 22:30:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:33,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:33,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:33,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-26 22:30:33,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:33,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-26 22:30:33,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:33,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:33,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:30:33,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-26 22:30:33,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 300 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-26 22:30:33,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1762315488] [2020-10-26 22:30:33,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:30:33,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:30:33,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360998482] [2020-10-26 22:30:33,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:30:33,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:33,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:30:33,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:30:33,510 INFO L87 Difference]: Start difference. First operand 1783 states and 1936 transitions. Second operand 7 states. [2020-10-26 22:30:35,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:35,633 INFO L93 Difference]: Finished difference Result 3580 states and 3942 transitions. [2020-10-26 22:30:35,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:30:35,639 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 373 [2020-10-26 22:30:35,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:35,648 INFO L225 Difference]: With dead ends: 3580 [2020-10-26 22:30:35,648 INFO L226 Difference]: Without dead ends: 1946 [2020-10-26 22:30:35,653 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:30:35,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1946 states. [2020-10-26 22:30:35,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1946 to 1936. [2020-10-26 22:30:35,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1936 states. [2020-10-26 22:30:35,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 2103 transitions. [2020-10-26 22:30:35,714 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 2103 transitions. Word has length 373 [2020-10-26 22:30:35,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:35,715 INFO L481 AbstractCegarLoop]: Abstraction has 1936 states and 2103 transitions. [2020-10-26 22:30:35,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:30:35,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2103 transitions. [2020-10-26 22:30:35,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2020-10-26 22:30:35,721 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:30:35,722 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-26 22:30:35,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-26 22:30:35,722 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:30:35,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:30:35,723 INFO L82 PathProgramCache]: Analyzing trace with hash -126421209, now seen corresponding path program 1 times [2020-10-26 22:30:35,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:30:35,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1864970554] [2020-10-26 22:30:35,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:30:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:35,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:36,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:37,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:37,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 399 [2020-10-26 22:30:37,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:30:37,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1652 [2020-10-26 22:30:37,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:37,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:30:37,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-26 22:30:37,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-26 22:30:37,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:37,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:30:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:37,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:37,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:37,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:30:37,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:37,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:30:37,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:37,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:37,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:37,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:37,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:37,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:30:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:37,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:37,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:37,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-26 22:30:37,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:37,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-26 22:30:37,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:37,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:37,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:37,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:37,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:37,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-26 22:30:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:37,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:37,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:37,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-26 22:30:37,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:37,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-26 22:30:37,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:37,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:30:37,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:37,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:30:37,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:37,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-26 22:30:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:30:37,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:30:37,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:30:37,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-26 22:30:37,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:30:37,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-26 22:30:37,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:30:37,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:30:37,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:30:37,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-26 22:30:37,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:30:38,061 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 108 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-26 22:30:38,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1864970554] [2020-10-26 22:30:38,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:30:38,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:30:38,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021795013] [2020-10-26 22:30:38,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:30:38,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:30:38,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:30:38,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:30:38,064 INFO L87 Difference]: Start difference. First operand 1936 states and 2103 transitions. Second operand 5 states. [2020-10-26 22:30:39,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:30:39,583 INFO L93 Difference]: Finished difference Result 3724 states and 4054 transitions. [2020-10-26 22:30:39,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:30:39,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 383 [2020-10-26 22:30:39,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:30:39,589 INFO L225 Difference]: With dead ends: 3724 [2020-10-26 22:30:39,589 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 22:30:39,596 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 [2020-10-26 22:30:39,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 22:30:39,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 22:30:39,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 22:30:39,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 22:30:39,597 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 383 [2020-10-26 22:30:39,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:30:39,598 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 22:30:39,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:30:39,598 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 22:30:39,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 22:30:39,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-26 22:30:39,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 22:30:39,988 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 129 [2020-10-26 22:30:40,812 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 129 [2020-10-26 22:30:41,262 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 39 [2020-10-26 22:30:41,522 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2020-10-26 22:30:42,512 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 46 [2020-10-26 22:30:42,927 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 39 [2020-10-26 22:30:42,931 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-26 22:30:42,931 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-26 22:30:42,932 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-26 22:30:42,932 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-26 22:30:42,932 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-26 22:30:42,932 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)|)) [2020-10-26 22:30:42,932 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-26 22:30:42,932 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-26 22:30:42,932 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-26 22:30:42,933 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-26 22:30:42,933 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-26 22:30:42,933 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-26 22:30:42,933 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-26 22:30:42,933 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-26 22:30:42,933 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-26 22:30:42,933 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-26 22:30:42,933 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-26 22:30:42,933 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-26 22:30:42,933 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-26 22:30:42,934 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-26 22:30:42,934 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,934 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,934 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,934 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,934 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,934 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,934 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-26 22:30:42,934 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-26 22:30:42,935 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-26 22:30:42,935 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-26 22:30:42,935 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-26 22:30:42,935 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-26 22:30:42,935 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-26 22:30:42,935 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-26 22:30:42,935 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-26 22:30:42,935 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-26 22:30:42,935 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-26 22:30:42,935 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,935 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,936 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,936 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,936 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,936 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-26 22:30:42,936 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-26 22:30:42,936 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-26 22:30:42,936 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-26 22:30:42,936 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-26 22:30:42,936 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-26 22:30:42,936 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-26 22:30:42,937 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-26 22:30:42,937 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-26 22:30:42,937 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-26 22:30:42,937 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-26 22:30:42,937 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-26 22:30:42,937 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-26 22:30:42,937 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-26 22:30:42,937 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,937 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,938 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,938 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,938 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,938 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-26 22:30:42,938 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-26 22:30:42,938 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-26 22:30:42,938 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-26 22:30:42,938 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-26 22:30:42,938 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-26 22:30:42,938 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-26 22:30:42,939 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-26 22:30:42,939 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-26 22:30:42,939 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-26 22:30:42,939 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,939 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,939 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,939 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,939 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,939 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-26 22:30:42,939 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-26 22:30:42,940 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-26 22:30:42,940 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-26 22:30:42,940 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-26 22:30:42,940 INFO L270 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (let ((.cse1 (not (= 9 |old(~a19~0)|))) (.cse0 (not (<= 4 |old(~a10~0)|))) (.cse3 (= 6 |old(~a19~0)|)) (.cse4 (not (= 3 |old(~a10~0)|))) (.cse2 (not (<= |old(~a19~0)| 8)))) (and (or .cse0 .cse1) (or .cse1 (not (= 2 |old(~a10~0)|))) (or .cse2 .cse3) (or .cse4 .cse1) (or .cse2 .cse0) (or .cse3 (not (= |old(~a10~0)| 1))) (not (= 0 |old(~a10~0)|)) (or .cse4 .cse2))) [2020-10-26 22:30:42,940 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-26 22:30:42,940 INFO L274 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed. [2020-10-26 22:30:42,940 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-26 22:30:42,941 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-26 22:30:42,941 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-26 22:30:42,941 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-26 22:30:42,941 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-26 22:30:42,941 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-26 22:30:42,941 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,941 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,941 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,941 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,941 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,942 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-26 22:30:42,942 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-26 22:30:42,942 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-26 22:30:42,942 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-26 22:30:42,942 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-26 22:30:42,942 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,942 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,942 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-26 22:30:42,942 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-26 22:30:42,942 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-26 22:30:42,943 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-26 22:30:42,943 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,943 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,943 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,943 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,943 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,943 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-26 22:30:42,943 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-26 22:30:42,943 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-26 22:30:42,944 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-26 22:30:42,944 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-26 22:30:42,944 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-26 22:30:42,944 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-26 22:30:42,944 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-26 22:30:42,944 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-26 22:30:42,944 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-26 22:30:42,944 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-26 22:30:42,944 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-26 22:30:42,944 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-26 22:30:42,945 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,945 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,945 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,945 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,945 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-26 22:30:42,945 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,945 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,945 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-26 22:30:42,945 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-26 22:30:42,945 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-26 22:30:42,945 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-26 22:30:42,945 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-26 22:30:42,946 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-26 22:30:42,946 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-26 22:30:42,946 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-26 22:30:42,946 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-26 22:30:42,946 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-26 22:30:42,946 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-26 22:30:42,946 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-26 22:30:42,946 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-26 22:30:42,946 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,946 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,946 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,946 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,947 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,947 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,947 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-26 22:30:42,947 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse7 (= ~a1~0 |old(~a1~0)|)) (.cse8 (= ~a19~0 |old(~a19~0)|)) (.cse9 (= ~a10~0 |old(~a10~0)|))) (let ((.cse1 (not (<= 4 |old(~a10~0)|))) (.cse5 (not (= 3 |old(~a10~0)|))) (.cse2 (not (= 9 |old(~a19~0)|))) (.cse4 (and .cse7 .cse8 .cse9)) (.cse0 (and (not (= ~a19~0 6)) .cse7 .cse8 .cse9)) (.cse3 (not (<= |old(~a19~0)| 8))) (.cse6 (= 6 |old(~a19~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse5 .cse3 .cse4) (or .cse4 .cse2 (not (= 2 |old(~a10~0)|))) (or .cse0 .cse5 .cse2) (or .cse4 (not (= 0 |old(~a10~0)|))) (or .cse0 .cse6 (not (= |old(~a10~0)| 1))) (or .cse0 .cse3 .cse6)))) [2020-10-26 22:30:42,947 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-26 22:30:42,947 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-26 22:30:42,947 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-26 22:30:42,947 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-26 22:30:42,948 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-26 22:30:42,948 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-26 22:30:42,948 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-26 22:30:42,948 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-26 22:30:42,948 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-26 22:30:42,948 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-26 22:30:42,948 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-26 22:30:42,948 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-26 22:30:42,948 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-26 22:30:42,948 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,948 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,948 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,949 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,949 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,949 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,949 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-26 22:30:42,949 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-26 22:30:42,949 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-26 22:30:42,949 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-26 22:30:42,949 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-26 22:30:42,949 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-26 22:30:42,949 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-26 22:30:42,949 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-26 22:30:42,949 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-26 22:30:42,950 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-26 22:30:42,950 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-26 22:30:42,950 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-26 22:30:42,950 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-26 22:30:42,950 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,950 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,950 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,950 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,950 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,950 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,950 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-26 22:30:42,951 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-26 22:30:42,951 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-26 22:30:42,951 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-26 22:30:42,951 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-26 22:30:42,951 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-26 22:30:42,951 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-26 22:30:42,951 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-26 22:30:42,951 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-26 22:30:42,951 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-26 22:30:42,951 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-26 22:30:42,951 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-26 22:30:42,951 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,952 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,952 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,952 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,952 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,952 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-26 22:30:42,952 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 22:30:42,952 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (= ~a10~0 0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-10-26 22:30:42,952 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-26 22:30:42,952 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 22:30:42,952 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 0 |old(~a10~0)|))) [2020-10-26 22:30:42,953 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-26 22:30:42,953 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse1 (not (= ~a19~0 6))) (.cse3 (<= 4 ~a10~0)) (.cse2 (<= ~a19~0 8)) (.cse4 (= ~a10~0 3)) (.cse0 (= ~a19~0 9))) (or (not (<= 23 |old(~a1~0)|)) (and (= ~a10~0 2) .cse0) (and .cse1 .cse2) (and (= ~a10~0 1) .cse1) (not (= 9 |old(~a19~0)|)) (= ~a10~0 0) (not (<= |old(~a1~0)| 23)) (not (= 0 |old(~a10~0)|)) (and .cse3 .cse0) (and .cse3 .cse2) (and .cse4 .cse2) (and .cse4 .cse0))) [2020-10-26 22:30:42,953 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-26 22:30:42,953 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-26 22:30:42,953 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse1 (not (= ~a19~0 6))) (.cse3 (<= 4 ~a10~0)) (.cse2 (<= ~a19~0 8)) (.cse4 (= ~a10~0 3)) (.cse0 (= ~a19~0 9))) (or (not (<= 23 |old(~a1~0)|)) (and (= ~a10~0 2) .cse0) (and .cse1 .cse2) (and (= ~a10~0 1) .cse1) (not (= 9 |old(~a19~0)|)) (= ~a10~0 0) (not (<= |old(~a1~0)| 23)) (not (= 0 |old(~a10~0)|)) (and .cse3 .cse0) (and .cse3 .cse2) (and .cse4 .cse2) (and .cse4 .cse0))) [2020-10-26 22:30:42,953 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-26 22:30:42,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:30:42 BoogieIcfgContainer [2020-10-26 22:30:42,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 22:30:42,985 INFO L168 Benchmark]: Toolchain (without parser) took 71234.04 ms. Allocated memory was 125.8 MB in the beginning and 858.8 MB in the end (delta: 733.0 MB). Free memory was 100.0 MB in the beginning and 367.5 MB in the end (delta: -267.5 MB). Peak memory consumption was 512.8 MB. Max. memory is 8.0 GB. [2020-10-26 22:30:42,986 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 125.8 MB. Free memory was 99.4 MB in the beginning and 99.3 MB in the end (delta: 69.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 22:30:42,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.51 ms. Allocated memory was 125.8 MB in the beginning and 164.6 MB in the end (delta: 38.8 MB). Free memory was 99.1 MB in the beginning and 143.7 MB in the end (delta: -44.6 MB). Peak memory consumption was 29.0 MB. Max. memory is 8.0 GB. [2020-10-26 22:30:42,988 INFO L168 Benchmark]: Boogie Preprocessor took 154.94 ms. Allocated memory is still 164.6 MB. Free memory was 143.7 MB in the beginning and 139.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-26 22:30:42,992 INFO L168 Benchmark]: RCFGBuilder took 1698.60 ms. Allocated memory is still 164.6 MB. Free memory was 139.2 MB in the beginning and 131.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 53.9 MB. Max. memory is 8.0 GB. [2020-10-26 22:30:42,992 INFO L168 Benchmark]: TraceAbstraction took 68582.93 ms. Allocated memory was 164.6 MB in the beginning and 858.8 MB in the end (delta: 694.2 MB). Free memory was 131.5 MB in the beginning and 367.5 MB in the end (delta: -235.9 MB). Peak memory consumption was 505.4 MB. Max. memory is 8.0 GB. [2020-10-26 22:30:43,002 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 125.8 MB. Free memory was 99.4 MB in the beginning and 99.3 MB in the end (delta: 69.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 773.51 ms. Allocated memory was 125.8 MB in the beginning and 164.6 MB in the end (delta: 38.8 MB). Free memory was 99.1 MB in the beginning and 143.7 MB in the end (delta: -44.6 MB). Peak memory consumption was 29.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 154.94 ms. Allocated memory is still 164.6 MB. Free memory was 143.7 MB in the beginning and 139.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1698.60 ms. Allocated memory is still 164.6 MB. Free memory was 139.2 MB in the beginning and 131.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 53.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 68582.93 ms. Allocated memory was 164.6 MB in the beginning and 858.8 MB in the end (delta: 694.2 MB). Free memory was 131.5 MB in the beginning and 367.5 MB in the end (delta: -235.9 MB). Peak memory consumption was 505.4 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: ((((((((((!(23 <= \old(a1)) || (a10 == 2 && a19 == 9)) || (!(a19 == 6) && a19 <= 8)) || (a10 == 1 && !(a19 == 6))) || !(9 == \old(a19))) || a10 == 0) || !(\old(a1) <= 23)) || !(0 == \old(a10))) || (4 <= a10 && a19 == 9)) || (4 <= a10 && a19 <= 8)) || (a10 == 3 && a19 <= 8)) || (a10 == 3 && a19 == 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 65.1s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 25.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 348 SDtfs, 4856 SDslu, 472 SDs, 0 SdLazy, 10943 SolverSat, 1675 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1936occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 1056 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 208 PreInvPairs, 252 NumberOfFragments, 477 HoareAnnotationTreeSize, 208 FomulaSimplifications, 185327 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3860 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 36.5s InterpolantComputationTime, 3042 NumberOfCodeBlocks, 3042 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3030 ConstructedInterpolants, 0 QuantifiedInterpolants, 2479073 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 2112/2396 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...