/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:02:10,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:02:10,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:02:10,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 02:02:10,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:02:10,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:02:10,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:02:10,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:02:10,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:02:10,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:02:10,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:02:10,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:02:10,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:02:10,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:02:10,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:02:10,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:02:10,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 02:02:11,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:02:11,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:02:11,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:02:11,006 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 02:02:11,018 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:02:11,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:02:11,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:02:11,021 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:02:11,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:02:11,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:02:11,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:02:11,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:02:11,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:02:11,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:02:11,022 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:02:11,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:02:11,023 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:02:11,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:02:11,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:02:11,024 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:02:11,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:02:11,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:02:11,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:02:11,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:02:11,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:02:11,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:02:11,026 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:02:11,026 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:02:11,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:02:11,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:02:11,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:02:11,469 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:02:11,470 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:02:11,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label19.c [2021-02-22 02:02:11,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/504e7da50/7d145dee957c44efb1d83f7ec8d310b7/FLAG04227c895 [2021-02-22 02:02:12,483 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:02:12,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label19.c [2021-02-22 02:02:12,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/504e7da50/7d145dee957c44efb1d83f7ec8d310b7/FLAG04227c895 [2021-02-22 02:02:12,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/504e7da50/7d145dee957c44efb1d83f7ec8d310b7 [2021-02-22 02:02:12,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:02:12,689 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:02:12,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:02:12,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:02:12,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:02:12,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:02:12" (1/1) ... [2021-02-22 02:02:12,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd6e96f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:02:12, skipping insertion in model container [2021-02-22 02:02:12,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:02:12" (1/1) ... [2021-02-22 02:02:12,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:02:12,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:02:13,290 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label19.c[16251,16264] [2021-02-22 02:02:13,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:02:13,355 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:02:13,530 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label19.c[16251,16264] [2021-02-22 02:02:13,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:02:13,603 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:02:13,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:02:13 WrapperNode [2021-02-22 02:02:13,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:02:13,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:02:13,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:02:13,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:02:13,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:02:13" (1/1) ... [2021-02-22 02:02:13,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:02:13" (1/1) ... [2021-02-22 02:02:13,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:02:13" (1/1) ... [2021-02-22 02:02:13,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:02:13" (1/1) ... [2021-02-22 02:02:13,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:02:13" (1/1) ... [2021-02-22 02:02:13,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:02:13" (1/1) ... [2021-02-22 02:02:13,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:02:13" (1/1) ... [2021-02-22 02:02:13,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:02:13,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:02:13,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:02:13,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:02:13,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:02:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2021-02-22 02:02:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:02:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:02:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:02:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-22 02:02:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:02:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-22 02:02:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:02:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:02:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:02:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:02:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:02:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 02:02:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:02:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:02:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:02:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:02:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:02:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:02:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:02:15,351 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:02:15,352 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-22 02:02:15,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:02:15 BoogieIcfgContainer [2021-02-22 02:02:15,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:02:15,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:02:15,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:02:15,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:02:15,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:02:12" (1/3) ... [2021-02-22 02:02:15,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c9faba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:02:15, skipping insertion in model container [2021-02-22 02:02:15,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:02:13" (2/3) ... [2021-02-22 02:02:15,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c9faba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:02:15, skipping insertion in model container [2021-02-22 02:02:15,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:02:15" (3/3) ... [2021-02-22 02:02:15,370 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label19.c [2021-02-22 02:02:15,377 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:02:15,383 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:02:15,404 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 02:02:15,431 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:02:15,432 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:02:15,432 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:02:15,432 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:02:15,432 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:02:15,433 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:02:15,433 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:02:15,433 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:02:15,463 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states. [2021-02-22 02:02:15,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-02-22 02:02:15,493 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:02:15,495 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:02:15,495 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:02:15,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:02:15,509 INFO L82 PathProgramCache]: Analyzing trace with hash 742504758, now seen corresponding path program 1 times [2021-02-22 02:02:15,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:02:15,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757620253] [2021-02-22 02:02:15,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:02:15,625 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:02:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:02:16,095 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-22 02:02:16,097 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-22 02:02:16,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:16,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:02:16,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:16,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:02:16,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:16,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:02:16,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:02:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:02:16,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:16,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:02:16,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:16,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:02:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:02:16,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757620253] [2021-02-22 02:02:16,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:02:16,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-22 02:02:16,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074587959] [2021-02-22 02:02:16,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-22 02:02:16,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:02:16,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-22 02:02:16,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-22 02:02:16,348 INFO L87 Difference]: Start difference. First operand 534 states. Second operand 5 states. [2021-02-22 02:02:19,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:02:19,219 INFO L93 Difference]: Finished difference Result 1279 states and 1678 transitions. [2021-02-22 02:02:19,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-22 02:02:19,221 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2021-02-22 02:02:19,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:02:19,243 INFO L225 Difference]: With dead ends: 1279 [2021-02-22 02:02:19,244 INFO L226 Difference]: Without dead ends: 704 [2021-02-22 02:02:19,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-02-22 02:02:19,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2021-02-22 02:02:19,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 611. [2021-02-22 02:02:19,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2021-02-22 02:02:19,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 739 transitions. [2021-02-22 02:02:19,510 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 739 transitions. Word has length 122 [2021-02-22 02:02:19,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:02:19,512 INFO L480 AbstractCegarLoop]: Abstraction has 611 states and 739 transitions. [2021-02-22 02:02:19,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-22 02:02:19,513 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 739 transitions. [2021-02-22 02:02:19,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-02-22 02:02:19,524 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:02:19,525 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:02:19,525 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:02:19,526 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:02:19,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:02:19,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1827962994, now seen corresponding path program 1 times [2021-02-22 02:02:19,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:02:19,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375231163] [2021-02-22 02:02:19,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:02:19,599 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:19,625 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:19,638 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:19,646 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:19,695 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:02:19,714 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:02:19,726 WARN L141 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size [2021-02-22 02:02:19,732 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:02:19,741 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:19,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:19,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:19,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:02:19,756 WARN L147 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size 81 [2021-02-22 02:02:19,760 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:19,767 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:19,772 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:19,787 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:19,823 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:02:19,832 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:02:19,842 WARN L141 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size [2021-02-22 02:02:19,848 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:02:19,850 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:19,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:19,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:19,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:02:19,861 WARN L147 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size 81 [2021-02-22 02:02:19,865 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:19,873 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:19,878 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:19,885 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:19,924 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:02:19,927 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:02:19,931 WARN L141 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size [2021-02-22 02:02:19,933 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:02:19,935 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:19,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:19,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:19,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:02:19,942 WARN L147 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size 81 [2021-02-22 02:02:19,945 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:19,951 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:19,954 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:19,960 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:19,994 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:02:19,996 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:02:20,000 WARN L141 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size [2021-02-22 02:02:20,002 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:02:20,003 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:20,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:02:20,009 WARN L147 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size 81 [2021-02-22 02:02:20,012 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:20,018 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:20,021 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:20,026 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:20,058 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:02:20,061 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:02:20,065 WARN L141 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size [2021-02-22 02:02:20,066 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:02:20,068 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:20,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:02:20,074 WARN L147 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size 81 [2021-02-22 02:02:20,076 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:20,081 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:20,084 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:20,089 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:20,122 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:02:20,124 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:02:20,127 WARN L141 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size [2021-02-22 02:02:20,129 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:02:20,130 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:20,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:02:20,136 WARN L147 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size 81 [2021-02-22 02:02:20,138 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:20,143 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:20,145 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:20,150 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:20,183 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:02:20,185 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:02:20,188 WARN L141 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size [2021-02-22 02:02:20,190 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:02:20,191 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:20,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:02:20,197 WARN L147 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size 81 [2021-02-22 02:02:20,199 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:20,204 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:20,206 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:20,211 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:20,244 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:02:20,246 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:02:20,249 WARN L141 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size [2021-02-22 02:02:20,251 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:02:20,252 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:20,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:02:20,257 WARN L147 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size 81 [2021-02-22 02:02:20,259 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:20,263 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:20,266 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:20,271 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:20,305 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:02:20,307 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:02:20,310 WARN L141 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size [2021-02-22 02:02:20,311 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:02:20,313 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:20,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:02:20,318 WARN L147 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size 81 [2021-02-22 02:02:20,320 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:20,325 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:20,328 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size [2021-02-22 02:02:20,332 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.9 percent of original size 58 [2021-02-22 02:02:20,364 WARN L141 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-02-22 02:02:20,366 WARN L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-02-22 02:02:20,369 WARN L141 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size [2021-02-22 02:02:20,370 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 02:02:20,372 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:20,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-22 02:02:20,377 WARN L147 QuantifierPusher]: treesize reduction 9, result has 90.0 percent of original size 81 [2021-02-22 02:02:20,378 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 02:02:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:02:20,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:02:20,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:02:20,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:02:20,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:02:20,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:02:20,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:02:20,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:02:20,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:02:20,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:02:20,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:02:20,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:02:20,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:02:20,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 02:02:20,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:02:20,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:02:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:02:20,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:02:20,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:02:20,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:02:20,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-02-22 02:02:20,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:20,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:02:20,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-22 02:02:20,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:20,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:02:20,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-22 02:02:20,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:20,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:02:20,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-22 02:02:20,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:20,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:02:20,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-22 02:02:20,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:20,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:02:20,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-22 02:02:20,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:20,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:20,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:02:20,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-22 02:02:21,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:21,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:02:21,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-02-22 02:02:21,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:21,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:02:21,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-02-22 02:02:21,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:21,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:02:21,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-02-22 02:02:21,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:21,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:02:21,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-02-22 02:02:21,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:21,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:02:21,114 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-02-22 02:02:21,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:21,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:02:21,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-02-22 02:02:21,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:21,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-02-22 02:02:21,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-02-22 02:02:21,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:21,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:02:21,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-02-22 02:02:21,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:21,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:02:21,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-02-22 02:02:21,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:21,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:02:21,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-02-22 02:02:21,663 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-02-22 02:02:21,668 WARN L141 QuantifierPusher]: treesize reduction 83, result has 53.6 percent of original size [2021-02-22 02:02:21,670 WARN L147 QuantifierPusher]: treesize reduction 83, result has 53.6 percent of original size 96 [2021-02-22 02:02:21,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-02-22 02:02:21,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-02-22 02:02:21,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 02:02:21,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 02:02:21,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 02:02:21,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:21,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 02:02:21,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:22,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 02:02:22,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-02-22 02:02:22,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:22,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 02:02:22,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:22,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 02:02:22,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:22,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-22 02:02:22,185 WARN L141 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size [2021-02-22 02:02:22,186 WARN L147 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size 28 [2021-02-22 02:02:22,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:22,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 02:02:22,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:02:22,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 02:02:22,331 WARN L141 QuantifierPusher]: treesize reduction 29, result has 3.3 percent of original size [2021-02-22 02:02:22,335 WARN L147 QuantifierPusher]: treesize reduction 29, result has 3.3 percent of original size 1 [2021-02-22 02:02:22,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375231163] [2021-02-22 02:02:22,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:02:22,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-02-22 02:02:22,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164344541] [2021-02-22 02:02:22,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-02-22 02:02:22,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:02:22,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-02-22 02:02:22,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-02-22 02:02:22,339 INFO L87 Difference]: Start difference. First operand 611 states and 739 transitions. Second operand 24 states. [2021-02-22 02:02:22,618 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-02-22 02:02:22,895 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 97 [2021-02-22 02:02:23,123 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 99 [2021-02-22 02:02:23,405 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 97 [2021-02-22 02:02:23,667 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 103 [2021-02-22 02:02:23,958 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 103 [2021-02-22 02:02:24,267 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 105 [2021-02-22 02:02:24,641 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 124 [2021-02-22 02:02:24,852 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-02-22 02:02:26,686 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-02-22 02:02:26,962 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-02-22 02:02:27,143 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-02-22 02:02:27,388 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-02-22 02:02:34,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:02:34,291 INFO L93 Difference]: Finished difference Result 2129 states and 2762 transitions. [2021-02-22 02:02:34,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-22 02:02:34,292 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 144 [2021-02-22 02:02:34,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:02:34,307 INFO L225 Difference]: With dead ends: 2129 [2021-02-22 02:02:34,307 INFO L226 Difference]: Without dead ends: 1550 [2021-02-22 02:02:34,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=298, Invalid=1594, Unknown=0, NotChecked=0, Total=1892 [2021-02-22 02:02:34,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2021-02-22 02:02:34,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1310. [2021-02-22 02:02:34,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1310 states. [2021-02-22 02:02:34,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 1676 transitions. [2021-02-22 02:02:34,742 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 1676 transitions. Word has length 144 [2021-02-22 02:02:34,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:02:34,743 INFO L480 AbstractCegarLoop]: Abstraction has 1310 states and 1676 transitions. [2021-02-22 02:02:34,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2021-02-22 02:02:34,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1676 transitions. [2021-02-22 02:02:34,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-22 02:02:34,749 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:02:34,749 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:02:34,750 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-22 02:02:34,750 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:02:34,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:02:34,751 INFO L82 PathProgramCache]: Analyzing trace with hash 915699810, now seen corresponding path program 1 times [2021-02-22 02:02:34,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:02:34,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1382353679] [2021-02-22 02:02:34,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:02:34,781 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2021-02-22 02:03:31,892 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 2134350 conjuctions. This might take some time...